Related by context. Frequent words. (Click for all words.) 56 aquatic vegetation 48 combined sewer overflows 48 invasive aquatic 47 retention ponds 47 phragmites 47 nutrient runoff 46 sedimentation 46 rotenone 46 contaminated sediments 46 stormwater runoff 45 aquatic habitat 45 waterways 45 drainage ditches 45 lakes 45 contaminants 45 rainwater runoff 45 impoundments 45 catch basins 45 outfalls 45 milfoil 44 polluted runoff 44 toxicants 44 shoreline erosion 44 diking 44 sewer overflow 43 ponds 43 sewer overflows 43 sediment 43 pollutants 43 waterbodies 42 toxins 42 aquatic species 42 lagoons 42 freshwater wetlands 42 vegetation 42 sewage overflows 41 chloramine 41 spawning habitat 41 aquatic ecosystems 41 storm sewers 41 stormwater pollution 41 nutrient pollution 41 untreated wastewater 41 wastewater 41 toxic algae 41 chlorides 41 wetlands 41 wetland 41 polychlorinated biphenyls PCBs 41 siltation 41 stormwater 41 mosquito larvae 41 tidal wetlands 40 Caloosahatchee River 40 contaminant 40 waterway 40 soil erosion 40 streambeds 40 phosphorus 40 nutrient 40 invasive species 40 pollutant 40 suspected carcinogen 40 spawning beds 40 aquatic invasive species 40 drainage 40 invasives 40 methyl mercury 40 wetland restoration 40 freshwater 40 watercourses 40 toxin 40 chloramines 40 wastewater treatment 40 wastewater discharges 40 dissolved oxygen levels 40 watercourse 39 Zebra mussels 39 lawn fertilizers 39 sewage 39 contaminated soils 39 wetland habitat 39 eelgrass 39 silt 39 total dissolved solids 39 nitrates 39 dissolved solids 39 ash ponds 39 lake 39 water 39 aquatic organisms 39 freshwater lakes 39 polychlorinated biphenyls 39 wastewater discharge 39 drainages 39 chemicals 39 sanitary sewers 39 nitrogen phosphorus 39 paved surfaces 39 pollution 38 watersheds